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Table 2 Relative contribution to the overall Cesarean section rate by Robson group, total and by year (%)

From: Cesarean section in Uruguay from 2008 to 2018: country analysis based on the Robson classification. An observational study

Group

Total

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

2018

Variation

p value

1

12.6

23.6

16.9

15

14.7

15.8

15.7

14.5

13.3

12.6

11.9

11.2

−12.4

0.00008427*

2A

8.9

9.2

9.6

10

10.2

10

10.2

10.3

10.1

10.2

10.1

10.2

1

0.7411

2B

7.5

11.7

8.6

8.4

8.1

8.1

9

9

8.9

8.2

7.7

8.2

−3.5

0.2021

3

6.3

4.1

5.4

5.8

5.9

6.1

6.1

6.2

6

6.1

5.7

6.1

2

0.4033

4A

4.4

2.2

2.9

3.8

4.1

4

4.3

4.1

4.4

4.8

4.8

5.2

3

0.1766

4B

6.7

3.2

5.1

5.9

6.2

6.1

7.1

6.6

7.2

6.5

6.7

6.8

3.6

0.1527

5

30.6

19.9

27.1

27.7

27.7

27.8

27.6

28.7

29.6

30.9

31.2

31.8

11.9

0.01061*

6

2.8

5.3

3.9

3.4

3.2

3.2

2.7

2.9

2.8

2.8

3

2.8

−2.5

0.1297

7

4.1

3.1

4.3

4.3

4.1

4.1

3.5

3.5

3.5

3.8

3.8

3.7

0.6

0.7506

8

6.1

6.4

5.9

5.6

6.3

5.6

5.1

5.4

5.8

5.5

5.9

5.8

−0.6

0.8738

9

0.7

0.8

0.8

0.9

0.6

0.6

0.6

0.8

0.6

0.7

0.6

0.5

−0.3

0.6706

10

9.1

10.5

9.5

9.2

8.9

8.6

8.1

8

7.8

7.9

8.6

7.7

−2.8

0.2936

  1. * indicate significant values